Continuous vertical line using booktabs in tabularx table?

Question

How can we draw a continuous vertical line using booktabs in table?
What is the simplest method to maximise the width of a table?
There are lots of methods, very confusing.

documentclass{article}
usepackage{makecell} % for bold in table using small
renewcommandtheadfont{small} % for bold in table using small
usepackage{tabularx, ragged2e} 
usepackage{booktabs}

begin{document}

begin{table}[!ht]
centering
    begin{tabularx}{textwidth}{l>{raggedrightarraybackslash}ccc|ccc}
    toprule
    & multicolumn{3}{c|}{textbf{Paired Differences1}} & multicolumn{3}{c}{textbf{Paired Differences2}}\
     cmidrule{2-7}
    & small {textbf{Statistic}}
     & thead{small {textbf{df}}}
     & thead{small {textbf{Sig.}}}
         & small {textbf{Statistic}}
     & thead{small {textbf{df}}}
     & thead{small {textbf{Sig.}}}    \ 
midrule
    Difference & 44.20 & 14.36 & 4.54 & .957 & 10 & .746\
        bottomrule
    end{tabularx}
caption{Testing Testing Testing%
    label{tab:test1234}% 
    }  
end{table}

end{document}

leandriis · Accepted Answer

Here is my suggestion. I have used tabular* in combination with @{extracolsep{fill}} to make the table as wide as the textwidth and to evenly distribute the excess white space between the columns. I have also removed the vertical line and replaced the single cmidrule by two adjacent ones with a small white space inbetween. In order to clean up the code, I have also removed the repeated occurences ot small and textbf and instead added bfseries to thedfont:

documentclass{article}
usepackage{makecell} % for bold in table using small
renewcommandtheadfont{smallbfseries} % for bold in table using small
usepackage{tabularx, ragged2e} 
usepackage{booktabs}

begin{document}

begin{table}[!ht]
    begin{tabular*}{textwidth}{@{extracolsep{fill}}lcccccc}
    toprule
    & multicolumn{3}{c}{textbf{Paired Differences1}} & multicolumn{3}{c}{textbf{Paired Differences2}}\
     cmidrule(r){2-4} cmidrule(l){5-7}
    & thead{Statistic}
     & thead{df}
     & thead{Sig.}
         & thead{Statistic}
     & thead{df}
     & thead{Sig.}    \ 
midrule
    Difference & 44.20 & 14.36 & 4.54 & .957 & 10 & .746\
        bottomrule
    end{tabular*}
caption{Testing Testing Testing%
    label{tab:test1234}% 
    }  
end{table}

end{document}

Zarko · Answer

With combination of S and X columns type, without vertical lines, with rounded numbers ... :

documentclass{article}
usepackage{booktabs, tabularx}
usepackage{xparse}
NewExpandableDocumentCommandmcx{O{1}m}
    {multicolumn{#1}{>{Centeringsmallbfserieshsize=#1hsize}X}{#2}}
usepackage{ragged2e}
usepackage{siunitx}

begin{document}
    begin{table}[ht]
centering
setlengthtabcolsep{0pt}
sisetup{round-integer-to-decimal,
         round-mode=places,
         table-format=2.2}
    begin{tabularx}{linewidth}{l *{6}{S} }
    toprule
    & mcx[3]{Paired Differences 1} 
    & mcx[3]{Paired Differences 2}             \
    cmidrule(r){2-4}cmidrule(l){5-7}
    & mcx{Statistic}   & mcx{df}  & mcx{Sig.}
    & mcx{Statistic}   & mcx{df}  & mcx{Sig.}    \
    midrule 
Difference 
    & 44.20 & 14.36 & 4.54  & 0.957 & 10     & 0.746 \
        bottomrule
    end{tabularx}
caption{Testing Testing Testing}
label{tab:test1234}
    end{table}
end{document}

Bernard · Answer

I would rather replace the vertical line with a supplementary empty column to have a clear separation between the two group of columns. Another possibility, aesthetically, might be to delete the vertical padding of horizontal rules, and replace it with the makegapedcells command from makecell, which adds a vertical space at the top and bottom of all cells. As a demonstration, I replaced the vertical line with thick, light grey vrule, which I find more pleasing to the eye than the default thin, black, vertical rule.

documentclass{article}
usepackage{makecell} % for bold in table using small
renewcommandtheadfont{smallbfseries} % for bold in table using small
usepackage{tabularx, ragged2e}
usepackage{booktabs}
usepackage[table, svgnames]{xcolor}

begin{document}

begin{table}[!ht]
centering
    begin{tabularx}{textwidth}{X>{raggedrightarraybackslash}ccccccc}
    toprule
    & multicolumn{3}{c}{textbf{Paired Differences1}} & & multicolumn{3}{c}{textbf{Paired Differences2}}\
     cmidrule(lr){2-4} cmidrule(lr){6-8}
    & thead{Statistic}
     & thead{df }
     & thead{ Sig. }
      & & thead{Statistic}
     & thead{df}
     & thead{Sig.} \
midrule
    Difference & 44.20 & 14.36 & 4.54 & & .957 & 10 & .746\
        bottomrule
    end{tabularx}
caption{Testing Testing Testing%
    label{tab:test1234}%
    }
end{table}

begin{table}[!ht]
centering
setlength{aboverulesep}{0pt}
setlength{belowrulesep}{0pt}
setcellgapes{3pt}makegapedcells
    begin{tabularx}{textwidth}{X>{raggedrightarraybackslash}ccc!{color{Gainsboro!50!Lavender}vline width 0.75em}ccc}
    toprule
    & multicolumn{3}{c!{color{Gainsboro!50!Lavender}vline width 0.75em}}{textbf{Paired Differences1}} & multicolumn{3}{c}{textbf{Paired Differences2}}
oalign{vskip -0.033em}
     cmidrule(lr{1.33em}){2-4} cmidrule(lr){5-7}
    & thead{Statistic}
     & thead{df}
     & thead{Sig.}
      & thead{Statistic}
     & thead{df}
     & thead{Sig.} \
    noalign{vskip-0.05em}
    cmidrule[0.05em](r{0.9em}){1-4}cmidrule[0.05em](l{0.15em}){5-7}
    Difference & 44.20 & 14.36 & 4.54 & .957 & 10 & .746\
        bottomrule
    end{tabularx}
caption{Testing Testing Testing%
    label{tab:test1234}%
    }
end{table}

end{document}

Continuous vertical line using booktabs in tabularx table?

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